/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jkiss.dbeaver.model.qm;

import org.jkiss.code.Nullable;
import org.jkiss.dbeaver.model.exec.DBCExecutionPurpose;
import org.jkiss.dbeaver.model.qm.meta.QMMSessionInfo;
import org.jkiss.dbeaver.model.qm.meta.QMMStatementExecuteInfo;

import java.util.Date;
import java.util.List;

/**
 * Query manager history
 */
public interface QMEventHistory {

    long getHistorySize();

    List<QMMetaEvent> readEventHistory(
        @Nullable QMObjectType objectType,
        @Nullable Date startDate,
        @Nullable Date endDate,
        int maxEvents);

    List<QMMSessionInfo> getSessionHistory(
        @Nullable String containerId,
        @Nullable Date startDate,
        @Nullable Date endDate,
        int maxSessions);

    List<QMMStatementExecuteInfo> getQueryHistory(
        @Nullable String containerId,
        @Nullable DBCExecutionPurpose queryPurpose,
        @Nullable Date startDate,
        @Nullable Date endDate,
        int maxQueries);

}
